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How LIDAR Scans Reveal Angkor's Hidden City -
Published: 3 years ago By: Smithsonian Channel

By: Smithsonian ChannelPublished: 3 years ago

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LIDAR sends out a million laser points to create a digital outline of the land's surface. Scientists are using these high-tech renderings to uncover the secrets of Angkor Wat and the original metropolis that once surrounded it.

From: ANGKOR REVEALED: The Hidden Megacity